easyui tree_codestorm_新浪博客

动态改变url加载不同等级目录

$(function() {

var $tree = $('#tt');

$tree.tree({

url:'aa.json',

lines: true,

onBeforeExpand: function (node, param) {   

//change the new url of children   

// $tree.tree('options').url = 'bb.json';   

console.info(getLevel(node));

var level = getLevel(node);

switch(level){

case 0://get company

$tree.tree('options').url = 'bb.json';

break;

case 1://get station

$tree.tree('options').url = 'bb.json';

break;

case 2://get RTU

$tree.tree('options').url = 'bb.json';

break;

case 3://get device

$tree.tree('options').url = 'bb.json';

break;

}

}

});

});

function getLevel(node)//retuen the node level, root is level 0

{

var level = 0;

while(node != undefined)

{

node = $('#tt').tree('getParent',node.target);

level++;

}

return level-1;

}